Xylem MM 316E Series 47 and 247 Mechanical Water Feeders - Manual (Page 6)

6
STEP 3 - Installing Series 47 Water Feeder or Series 47-2 Combination Water
Feeder/Low Water Cut-Off with Quick Hook-Up Fittings to Boiler
a. Apply thread sealant to the external threads
of the "Y" fittings (T). Using the pipe wrench,
install them in the boiler gauge glass tappings (S),
and tighten to approximately 54 ft
• lb (74 N • m).
Tighten both union nuts (U).
b. Reinstall water glass and gauge connections to “Y”
fittings (T).
When using pipe or tape sealant on the external threads of pipes or fittings, follow the manufacturers
instructions. Use sparingly and do not place on the first thread.
! IMPORTANT
U
N
L
U
U
T
S
R
i. Using the pipe wrench, tighten the furnished pipe
plug into the open tapping (R) on the lower half of
the feeder float body in accordance with the
position diagrams in Step 1. Tighten the plug to
approximately 20 ft
• lb (27 . 3 N • m).